TY - JOUR AU - Ron Aharoni AU - Eli Berger AU - Maria Chudnovsky AU - Frédéric Havet AU - Zilin Jiang TI - Cooperative colorings of trees and of bipartite graphs JO - The electronic journal of combinatorics PY - 2020 VL - 27 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/8111/ DO - 10.37236/8111 ID - 10_37236_8111 ER -